Place NJ and Cruickshank J. (2010). Short photoperiod initiated during adulthood sustains reproductive function in older female Siberian hamsters more effectively than does short photoperiod before puberty. Biol Reprod. 82:778-782.

Place NJ and Cruickshank J. (2009). Graded response to short photoperiod during development and early adulthood in Siberian hamsters and the effects on reproduction as females age. Horm Behav. 55:390-397. (Featured on the cover)

Place NJ, Weldele ML, and Wahaj SA. (2002). Ultrasonic measurements of second and third trimester fetuses to predict gestational age and date of parturition in captive and wild spotted hyenas ( Crocuta crocuta ). Theriogenology 55:1047-1055.